255713754621 has 16 divisors (see below), whose sum is σ = 367361422400. Its totient is φ = 157284011520.

The previous prime is 255713754617. The next prime is 255713754623. The reversal of 255713754621 is 126457317552.

It is not a de Polignac number, because 255713754621 - 2² = 255713754617 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255713754623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1551796 + ... + 1708653.

It is an arithmetic number, because the mean of its divisors is an integer number (22960088900).

Almost surely, 2^255713754621 is an apocalyptic number.

It is an amenable number.

255713754621 is a deficient number, since it is larger than the sum of its proper divisors (111647667779).

255713754621 is a wasteful number, since it uses less digits than its factorization.

255713754621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3262476.

The product of its digits is 1764000, while the sum is 48.

The spelling of 255713754621 in words is "two hundred fifty-five billion, seven hundred thirteen million, seven hundred fifty-four thousand, six hundred twenty-one".